package com.gaff.emp.core;

import com.baomidou.mybatisplus.core.metadata.IPage;
import org.springframework.data.domain.Page;

import java.io.Serializable;
import java.util.List;

/**
 * 分页类
 */
public class PageR implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * 总记录数
     */
    private int totalCount;
    /**
     * 每页记录数
     */
    private int pageSize;
    /**
     * 总页数
     */
    private int totalPage;
    /**
     * 当前页数
     */
    private int currPage;
    /**
     * 列表数据
     */
    private List<?> list;

    /**
     * 分页
     *
     * @param list       列表数据
     * @param totalCount 总记录数
     * @param pageSize   每页记录数
     * @param currPage   当前页数
     */
    public PageR(List<?> list, int totalCount, int pageSize, int currPage) {
        this.list = list;
        this.totalCount = totalCount;
        this.pageSize = pageSize;
        this.currPage = currPage;
        this.totalPage = (int) Math.ceil((double) totalCount / pageSize);
    }

    /**
     * 分页
     */
    public PageR(IPage<?> page) {
        this.list = page.getRecords();
        this.totalCount = (int) page.getTotal();
        this.pageSize = (int) page.getSize();
        this.currPage = (int) page.getCurrent();
        this.totalPage = (int) page.getPages();
    }

    public PageR(Page<?> page) {
        this.list = page.getContent();
        this.totalCount = (int) page.getTotalElements();
        this.pageSize = page.getPageable().getPageSize();
        this.currPage = page.getPageable().getPageNumber() + 1;
        this.totalPage = page.getTotalPages();
    }

    public PageR(List<?> list, int totalCount, int pageSize, int currPage, int totalPage) {
        this.list = list;
        this.totalCount = totalCount;
        this.pageSize = pageSize;
        this.currPage = currPage;
        this.totalPage = totalPage;
    }

    public int getTotalCount() {
        return totalCount;
    }

    public void setTotalCount(int totalCount) {
        this.totalCount = totalCount;
    }

    public int getPageSize() {
        return pageSize;
    }

    public void setPageSize(int pageSize) {
        this.pageSize = pageSize;
    }

    public int getTotalPage() {
        return totalPage;
    }

    public void setTotalPage(int totalPage) {
        this.totalPage = totalPage;
    }

    public int getCurrPage() {
        return currPage;
    }

    public void setCurrPage(int currPage) {
        this.currPage = currPage;
    }

    public List<?> getList() {
        return list;
    }

    public void setList(List<?> list) {
        this.list = list;
    }

}
